623746828 has 6 divisors (see below), whose sum is σ = 1091556956. Its totient is φ = 311873412.

The previous prime is 623746789. The next prime is 623746831. The reversal of 623746828 is 828647326.

623746828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77968350 + ... + 77968357.

Almost surely, 2^623746828 is an apocalyptic number.

It is an amenable number.

623746828 is a deficient number, since it is larger than the sum of its proper divisors (467810128).

623746828 is a wasteful number, since it uses less digits than its factorization.

623746828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155936711 (or 155936709 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 623746828 is about 24974.9239838683. The cubic root of 623746828 is about 854.4161525928.

The spelling of 623746828 in words is "six hundred twenty-three million, seven hundred forty-six thousand, eight hundred twenty-eight".